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Bumper C Series Pro Audio Speakers - (15120 C)

Bumper C Series Pro Audio Speakers
The Bumper 15120 C is the step up from the 1590 C model and is widely used for professional audio in a vented mid-bass or bass enclosure. This speaker is designed to handle long hours of play in a wide variety of uses. The 1.250' vent on the 3.0' pole piece, the 0.390' thick 7.5' diameter washer and back plate as well as the 8.50' X 1.00' thick diameter ceramic magnet all make this a truly superior driver.


SPEAKER MODEL:   15120 C
Diameter size in inches:   15
Z - Nominal Impedance in Ohms   8
Fs = Free air resonance frequesncy in Hz:   36.9
Qts = Total Q Factor of driver:   0.14
Vas = Equivalent acoustic volume in cubic feet:   6.2
Xmax = peak linear displacement of cone in inches:   0.18
Pe = Max power in watts:   1000
Ref = Driver's SPL 1W at 1m in dB:   99.5
Voice Coil Diameter in inches   3.0
Mounting Depth in inches:    
Revc = DC Voice coil resistance in Ohms:   7.78
Zmax = imped. At top of resonance curve in Ohms:   252.63
Magnet Assembly weight (oz):   312.8
Frequency response range tested from 20-2000 Hz:   20-3700
Recommend Sealed Enclosure size Outside volume (Vb)cq-ft   2.50
Recommend Ported Enclosure size Outside volume (Vb)cq-ft   2.50
Number of ports on the front of a box   1
Port size (inches)   4x9.13
   
List price $267.54